So, what did you end up changing to make it work where it didn't before?
:) Nothing! I'm telling you! I was tired and disgusted, so i quit for the day (I was the last guy out) and first thing in the morning (first guy in, only because I was a bit worried about what would happen when I told him TBird was kaput) after checking mail (web mail), xkcd, and general goofing off, I start TBird, and Hey! Presto! it works.
Maybe my manager did something, but I checked "last" and there were no signs of tampering (Umm.. shouldn't have said that I'd hurl umm.. configs in his err.. proverbial face. He isn't such a bad fellow in general, but he likes doling out work with a free and liberal hand and that gets in the way of what I want to learn.) Oh well.. I'll keep you guys posted if I do find a solution to it (assuming it rears its ugly rear).
To: Rob, You are a Coward, sir and that's all I need say! *turns tail, and flees Dovecot*